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Home Q & A Board Biology-Related Homework Help Biochemistry
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Jnortontruvisio Jnortontruvisio
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6 years ago
Which of the following determines blood type O in the ABO blood typing system?
 a. the presence of only N-acetyl-D-galactosamine antigen
  b. the presence of only N-acetyl-D-galactose antigen
  c. the presence of both N-acetyl-D-galactosamine and N-acetyl-D-galactose antigens
  d. the absence of both N-acetyl-D-galactosamine and N-acetyl-D-galactose antigens
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John R.John R.
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6 years ago
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Jnortontruvisio Author
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6 years ago
Thanks
asd454512
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Yesterday
You make an excellent tutor!
mkyoungs
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2 hours ago
Helped a lot
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